From the looks on the CoolRiver site, this kit is manufactured and distributed by a German company. However, looking around the net, we have discovered that this kit also goes by a different name in other countries. For example in the USA, this particular kit is being sold as CoolWave Stormcool III manufactured by CoolWave in China. Both kits look exactly the same with the exception of their names. I guess what we are seeing here is an OEM watercooling kit branded differently in other countries but manufactured by a single company. My best bet is that this kit is manufactured in China.